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PDF MSK4454 Data sheet ( Hoja de datos )
| Número de pieza | MSK4454 | |
| Descripción | SMART POWER 3-PHASE MOTOR DRIVE HYBRID | |
| Fabricantes | MSK | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MSK4454 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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MIL-PRF-38534 AND 38535 CERTIFIED FACILITY
10 AMP, 600 VOLT IGBT
SMART POWER 3-PHASE
MM..SS..KKEENNNNEDEYDYCOCROPR. P.
MOTOR DRIVE HYBRID
4707 Dey Road Liverpool, N.Y. 13088
FEATURES:
600V,10 Amp Capability
Ultra Low Thermal Resistance - Junction to Case - 2.2°C/W (Each IGBT)
Self-Contained, Smart Lowside/Highside Drive Circuitry
Bootstrap High-Side Supplies
Under-Voltage Lockout
Capable of Switching Frequencies to 25KHz
Isolated Case Allows Direct Heat Sinking
Non-Hermetic Bolt-down Design Allows Superior Heat Dissipation
4454
(315) 701-6751
DESCRIPTION:
The MSK 4454 is a 10 Amp, 3 Phase Bridge Smart Power Motor Drive Hybrid with a 600 volt rating on the
output switches. The output switches are Insulated Gate Bipolar Transistors (IGBT's). The free-wheeling diodes
are Fast Recovery Epitaxial Diodes (FRED's) to provide matched current capabilities with the IGBT's and are speci-
fied with excellent reverse recovery times. This new smart power motor drive hybrid is 5.0 volt input logic
compatible. Under-voltage lockout shuts down the bridge when the supply voltage gets to a point of incomplete
turn-on of the output switches. The internal high-side bootstrap power supply derived from the +VB supply
completely eliminates the need for 3 floating independent power supplies.
EQUIVALENT SCHEMATIC
TYPICAL APPLICATIONS
TYPICAL APPLICATIONSPIN-OUT INFORMATION
3 PHASE SIX STEP DC BRUSHLESS MOTOR DRIVE
OR 3 PHASE SINUSOIDAL INDUCTION MOTOR DRIVE
1
PIN-OUT INFORMATION
1 H INA
2 L INA
3 +VCC
4 H INB
5 L INB
6 COM
7 COM
8 +VB
9 H INC
10 L INC
20 V+
19 N/C
18 AV-
17 AØ
16 N/C
15 BV-
14 BØ
13 N/C
12 CV-
11 CØ
8548-110 Rev. E 11/13
1 page  
TYPICAL SYSTEM OPERATION
The MSK 4454 is designed to be used with a +270 volt high voltage bus, +15 volt low power bus and +5 volt
logic signals. Proper derating should be applied when designing the MSK 4454 into a system. High frequency layout
techniques with ground planes on a printed circuit board is the only method that should be used for circuit construc-
tion. This will prevent pulse jitter caused by excessive noise pickup on the current sense signal or the error amp
signal.
Ground planes for the lower power circuitry and the high power circuitry should be kept separate. The connection
between the bottom of the current sense resistor, COM pin and the high power ground, AV-, BV- and CV- pins are
connected at this point. This is a critical path and high currents should not be flowing between the current sense and
COM. Inductance in this path should be kept to a minimum. An RC filter (shown in 2 places) will filter out the current
spikes and keep the detected noise for those circuits down to a minimum.
In the system shown a PWM pulse by pulse current limit scheme controlled by the motor controller is implemented.
When controlling the motor speed by the PWM method, it is required that the low side switches be PWM pulsed due
to the bootstrap supplies used to power the high side switch drives. The higher the PWM speed the higher the current
load on the drive supply. PWM of the low side will prevent sagging of the high side supplies. A separate pin (+VB)
is provided for connecting an external floating power supply to power the bootstrap supplies.
5 8548-110 Rev. E 11/13
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet MSK4454.PDF ] | |
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